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    <link rel="shortcut icon" type="image/x-icon" href="http://mars3d.cn/favicon.ico" />
    <title>三维地图 | Mars3D | 三维地图 | 火星科技 | 合肥火星科技有限公司</title>

    <!--第三方lib-->
    <script
      type="text/javascript"
      src="../lib/include-lib.js"
      libpath="../lib/"
      include="jquery,font-awesome,ztree,bootstrap,layer,haoutil,turf,mars3d"
    ></script>

    <link href="css/style.css" rel="stylesheet" />
  </head>

  <body class="dark">
    <!--加载前进行操作提示，优化用户体验-->
    <div id="mask" class="signmask" onclick="removeMask()"></div>

    <div id="mars3dContainer" class="mars3d-container"></div>

    <!-- 面板 -->
    <div class="infoview" style="overflow: auto; left: 5px; left: auto; top: 5px; height: calc(100% - 90px);">
      <ul id="treeOverlays" class="ztree"></ul>
    </div>

    <script src="./js/common.js"></script>

    <script type="text/javascript">
      'use script' //开发环境建议开启严格模式

      var map

      function initMap(options) {
        //合并属性参数，可覆盖config.json中的对应配置
        var mapOptions = mars3d.Util.merge(options, {
          scene: {
            center: { lat: 31.623553, lng: 117.322405, alt: 123536, heading: 359, pitch: -81 },
          },
          control: {
            baseLayerPicker: false,
          },
        })

        //创建三维地球场景
        map = new mars3d.Map('mars3dContainer', mapOptions)

        initTree()
      }

      //===========================树控件处理============================
      var layers = []
      var layersObj = {}

      function initTree() {
        //初始化树
        var setting = {
          check: {
            enable: true,
          },
          data: {
            simpleData: {
              enable: true,
            },
          },
          callback: {
            onCheck: treeOverlays_onCheck,
            onDblClick: treeOverlays_onDblClick,
          },
        }

        var zNodes = []
        layers = map.getLayers({
          basemaps: true, //是否取config.json中的basempas
          layers: true, //是否取config.json中的layers
        })

        for (var i = layers.length - 1; i >= 0; i--) {
          var node = _getNodeConfig(layers[i])
          if (node) {
            zNodes.push(node)
          }
        }
        $.fn.zTree.init($('#treeOverlays'), setting, zNodes)
      }

      function _getNodeConfig(layer) {
        if (layer == null || layer.options.noLayerManage) {
          return
        }

        var item = layer.options

        if (item.name == '未命名') {
          return
        }

        var node = {
          id: layer.id,
          pId: layer.pid,
          name: layer.name,
          uuid: layer.uuid,
        }

        if (layer.hasEmptyGroup) {
          //空数组
          node.icon = '../lib/jquery/ztree/css/mars/images/folder.png'
          node.open = item.open == null ? true : item.open
          layersObj[node.uuid] = layer
        } else if (layer.hasChildLayer) {
          //有子节点的数组
          node.icon = '../lib/jquery/ztree/css/mars/images/layerGroup.png'
          node.open = item.open == null ? true : item.open
          layersObj[node.uuid] = layer
        } else {
          node.icon = '../lib/jquery/ztree/css/mars/images/layer.png'
          node.checked = layer.isAdded && layer.show

          if (layer.parent) {
            node._parentId = layer.parent.uuid
          }

          //记录图层
          layersObj[node.uuid] = layer
        }
        return node
      }
      function treeOverlays_onCheck(e, treeId, chktreeNode) {
        var treeObj = $.fn.zTree.getZTreeObj(treeId)
        //获得所有改变check状态的节点
        var changedNodes = treeObj.getChangeCheckedNodes()
        for (var i = changedNodes.length - 1; i >= 0; i--) {
          var treeNode = changedNodes[i]
          treeNode.checkedOld = treeNode.checked
          var layer = layersObj[treeNode.uuid]
          if (layer == null) {
            continue
          }

          //显示隐藏透明度设置view
          if (treeNode.checked) {
            $('#' + treeNode.tId + '_range').show()
          } else {
            $('#' + treeNode.tId + '_range').hide()
          }

          //特殊处理同目录下的单选的互斥的节点，可在config对应图层节点中配置"radio":true即可
          if (layer.options.radio && treeNode.checked) {
            var nodes = treeObj.getNodesByFilter(
              function (node) {
                var item = layersObj[node.uuid]
                return item.options.radio && item.pid == layer.pid && node.uuid != treeNode.uuid
              },
              false,
              treeNode.getParentNode()
            )
            for (var nidx = 0; nidx < nodes.length; nidx++) {
              nodes[nidx].checkedOld = false
              treeObj.checkNode(nodes[nidx], false, true)

              $('#' + nodes[nidx].tId + '_range').hide()

              var layertmp = layersObj[nodes[nidx].uuid]
              layertmp.show = false
            }
          }

          //处理图层显示隐藏
          if (treeNode._parentId) {
            var parentLayer = layersObj[treeNode._parentId]
            if (parentLayer) {
              updateLayerShow(parentLayer, treeNode.checked)
            }
          } else {
            updateLayerShow(layer, treeNode.checked)
          }
        }
      }

      //更新图层:显示隐藏状态
      function updateLayerShow(layer, show) {
        layer.show = show

        if (show) {
          if (!layer.isAdded) {
            map.addLayer(layer)
          }
          layer.flyTo()
        } else {
          // if (layer.isAdded) {
          //   map.removeLayer(layer)
          // }
        }
      }

      function treeOverlays_onDblClick(event, treeId, treeNode) {
        if (treeNode == null || treeNode.uuid == null) {
          return
        }
        var layer = layersObj[treeNode.uuid]
        if (layer == null) {
          return
        }
        layer.flyTo()
      }
    </script>
  </body>
</html>
